Is this correct plz this has to be answered befor 11: 00 plz me !

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top